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arch/arm/mach-s3c/mach-vr1000.c
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// SPDX-License-Identifier: GPL-2.0 // // Copyright (c) 2003-2008 Simtec Electronics // Ben Dooks <ben@simtec.co.uk> // // Machine support for Thorcom VR1000 board. Designed for Thorcom by // Simtec Electronics, http://www.simtec.co.uk/ |
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#include <linux/kernel.h> #include <linux/types.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/timer.h> #include <linux/init.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/dm9000.h> |
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#include <linux/i2c.h> |
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#include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_8250.h> #include <linux/serial_reg.h> |
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#include <linux/serial_s3c.h> |
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#include <linux/io.h> |
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#include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> |
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#include <asm/irq.h> #include <asm/mach-types.h> |
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#include <linux/platform_data/leds-s3c24xx.h> |
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#include <linux/platform_data/i2c-s3c2410.h> #include <linux/platform_data/asoc-s3c24xx_simtec.h> |
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#include "regs-gpio.h" #include "gpio-samsung.h" #include "gpio-cfg.h" |
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#include "cpu.h" #include "devs.h" |
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#include "bast.h" |
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#include "s3c24xx.h" |
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#include "simtec.h" |
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#include "vr1000.h" |
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/* macros for virtual address mods for the io space entries */ #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4) #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3) #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2) /* macros to modify the physical addresses for io space */ |
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#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2)) #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3)) #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4)) #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5)) |
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static struct map_desc vr1000_iodesc[] __initdata = { /* ISA IO areas */ |
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{ .virtual = (u32)S3C24XX_VA_ISA_BYTE, .pfn = PA_CS2(BAST_PA_ISAIO), .length = SZ_16M, .type = MT_DEVICE, }, { .virtual = (u32)S3C24XX_VA_ISA_WORD, .pfn = PA_CS3(BAST_PA_ISAIO), .length = SZ_16M, .type = MT_DEVICE, }, /* CPLD control registers, and external interrupt controls */ { .virtual = (u32)VR1000_VA_CTRL1, .pfn = __phys_to_pfn(VR1000_PA_CTRL1), .length = SZ_1M, .type = MT_DEVICE, }, { .virtual = (u32)VR1000_VA_CTRL2, .pfn = __phys_to_pfn(VR1000_PA_CTRL2), .length = SZ_1M, .type = MT_DEVICE, }, { .virtual = (u32)VR1000_VA_CTRL3, .pfn = __phys_to_pfn(VR1000_PA_CTRL3), .length = SZ_1M, .type = MT_DEVICE, }, { .virtual = (u32)VR1000_VA_CTRL4, .pfn = __phys_to_pfn(VR1000_PA_CTRL4), .length = SZ_1M, .type = MT_DEVICE, }, |
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}; #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE |
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static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = { |
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[0] = { .hwport = 0, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, |
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}, [1] = { .hwport = 1, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, |
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}, /* port 2 is not actually used */ [2] = { .hwport = 2, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, |
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} }; /* definitions for the vr1000 extra 16550 serial ports */ #define VR1000_BAUDBASE (3692307) #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5)) static struct plat_serial8250_port serial_platform_data[] = { [0] = { .mapbase = VR1000_SERIAL_MAPBASE(0), |
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.irq = VR1000_IRQ_SERIAL + 0, |
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, .uartclk = VR1000_BAUDBASE, }, [1] = { .mapbase = VR1000_SERIAL_MAPBASE(1), |
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.irq = VR1000_IRQ_SERIAL + 1, |
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, .uartclk = VR1000_BAUDBASE, }, [2] = { .mapbase = VR1000_SERIAL_MAPBASE(2), |
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.irq = VR1000_IRQ_SERIAL + 2, |
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, .uartclk = VR1000_BAUDBASE, }, [3] = { .mapbase = VR1000_SERIAL_MAPBASE(3), |
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.irq = VR1000_IRQ_SERIAL + 3, |
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.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, .uartclk = VR1000_BAUDBASE, }, { }, }; static struct platform_device serial_device = { .name = "serial8250", |
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.id = PLAT8250_DEV_PLATFORM, |
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.dev = { .platform_data = serial_platform_data, }, }; |
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/* DM9000 ethernet devices */ static struct resource vr1000_dm9k0_resource[] = { |
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[0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000, 4), [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x40, 0x40), |
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[2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000A, 1, NULL, IORESOURCE_IRQ \ |
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| IORESOURCE_IRQ_HIGHLEVEL), |
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}; static struct resource vr1000_dm9k1_resource[] = { |
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[0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x80, 4), [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0, 0x40), |
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[2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000N, 1, NULL, IORESOURCE_IRQ \ |
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| IORESOURCE_IRQ_HIGHLEVEL), |
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}; /* for the moment we limit ourselves to 16bit IO until some * better IO routines can be written and tested */ |
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static struct dm9000_plat_data vr1000_dm9k_platdata = { |
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.flags = DM9000_PLATF_16BITONLY, }; static struct platform_device vr1000_dm9k0 = { .name = "dm9000", .id = 0, .num_resources = ARRAY_SIZE(vr1000_dm9k0_resource), .resource = vr1000_dm9k0_resource, .dev = { .platform_data = &vr1000_dm9k_platdata, } }; static struct platform_device vr1000_dm9k1 = { .name = "dm9000", .id = 1, .num_resources = ARRAY_SIZE(vr1000_dm9k1_resource), .resource = vr1000_dm9k1_resource, .dev = { .platform_data = &vr1000_dm9k_platdata, } }; |
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/* LEDS */ |
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static struct gpiod_lookup_table vr1000_led1_gpio_table = { .dev_id = "s3c24xx_led.1", .table = { GPIO_LOOKUP("GPB", 0, NULL, GPIO_ACTIVE_HIGH), { }, }, }; static struct gpiod_lookup_table vr1000_led2_gpio_table = { .dev_id = "s3c24xx_led.2", .table = { GPIO_LOOKUP("GPB", 1, NULL, GPIO_ACTIVE_HIGH), { }, }, }; static struct gpiod_lookup_table vr1000_led3_gpio_table = { .dev_id = "s3c24xx_led.3", .table = { GPIO_LOOKUP("GPB", 2, NULL, GPIO_ACTIVE_HIGH), { }, }, }; |
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static struct s3c24xx_led_platdata vr1000_led1_pdata = { .name = "led1", |
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.def_trigger = "", }; static struct s3c24xx_led_platdata vr1000_led2_pdata = { .name = "led2", |
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.def_trigger = "", }; static struct s3c24xx_led_platdata vr1000_led3_pdata = { .name = "led3", |
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.def_trigger = "", }; static struct platform_device vr1000_led1 = { .name = "s3c24xx_led", .id = 1, .dev = { .platform_data = &vr1000_led1_pdata, }, }; static struct platform_device vr1000_led2 = { .name = "s3c24xx_led", .id = 2, .dev = { .platform_data = &vr1000_led2_pdata, }, }; static struct platform_device vr1000_led3 = { .name = "s3c24xx_led", |
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.id = 3, |
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.dev = { .platform_data = &vr1000_led3_pdata, }, }; |
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/* I2C devices. */ static struct i2c_board_info vr1000_i2c_devs[] __initdata = { { I2C_BOARD_INFO("tlv320aic23", 0x1a), }, { |
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I2C_BOARD_INFO("tmp101", 0x48), }, { |
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I2C_BOARD_INFO("m41st87", 0x68), }, }; |
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/* devices for this board */ |
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static struct platform_device *vr1000_devices[] __initdata = { |
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&s3c2410_device_dclk, |
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&s3c_device_ohci, |
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&s3c_device_lcd, &s3c_device_wdt, |
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&s3c_device_i2c0, |
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&s3c_device_adc, |
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&serial_device, |
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&vr1000_dm9k0, |
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&vr1000_dm9k1, &vr1000_led1, &vr1000_led2, &vr1000_led3, |
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}; |
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static void vr1000_power_off(void) { |
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gpio_direction_output(S3C2410_GPB(9), 1); |
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} |
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static void __init vr1000_map_io(void) |
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{ |
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pm_power_off = vr1000_power_off; s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc)); |
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s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs)); |
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s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); |
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} |
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static void __init vr1000_init_time(void) { s3c2410_init_clocks(12000000); |
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s3c24xx_timer_init(); |
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} |
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static void __init vr1000_init(void) { |
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s3c_i2c0_set_platdata(NULL); |
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/* Disable pull-up on LED lines and register GPIO lookups */ s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_NONE); s3c_gpio_setpull(S3C2410_GPB(2), S3C_GPIO_PULL_NONE); gpiod_add_lookup_table(&vr1000_led1_gpio_table); gpiod_add_lookup_table(&vr1000_led2_gpio_table); gpiod_add_lookup_table(&vr1000_led3_gpio_table); |
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platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices)); |
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i2c_register_board_info(0, vr1000_i2c_devs, ARRAY_SIZE(vr1000_i2c_devs)); |
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nor_simtec_init(); |
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simtec_audio_add(NULL, true, NULL); |
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WARN_ON(gpio_request(S3C2410_GPB(9), "power off")); |
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} |
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MACHINE_START(VR1000, "Thorcom-VR1000") |
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/* Maintainer: Ben Dooks <ben@simtec.co.uk> */ |
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.atag_offset = 0x100, |
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.map_io = vr1000_map_io, |
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.init_machine = vr1000_init, |
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.init_irq = s3c2410_init_irq, |
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.init_time = vr1000_init_time, |
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MACHINE_END |